MCQ
The number of base substitution possible in amino acid codons is:
  • A
    261
  • B
    264
  • C
    535
  • D
    549

Answer

  1. 549

Explanation:

There are 61 codons for amino acids. Each codon has 3 bases, each of which can undergo transition and transversion substitution, 61 × 32 = 549.

So, the correct answer is 549.

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